Air conditioning device for a compartment, in particular for a railroad vehicle
US9994238B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2015 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | May 15, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2400/24
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air conditioning device is provided which has a primary heat pump circuit having at least one primary heat exchanger with the air from the compartment, a primary compressor, a second primary heat exchanger with the outside air, and a primary expander device, and a heat storage reservoir, connected to the primary circuit, in parallel with said first primary heat exchanger with the air from the compartment. The air conditioning device also has a secondary heat pump circuit, including a first secondary heat exchanger with the air from the compartment, a secondary compressor, a second secondary heat exchanger with the air from the outside, and a secondary expander device. The heat storage reservoir is connected to the secondary circuit, in parallel with the first secondary heat exchanger with the air from the compartment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.